Human Population Growth

What type of growth is shown in the diagram?

• Exponential

• Linear

• Quadratic

• None of the above

Which equation represents the graph?

• y = 1(1/3)^x

• y = 3(1)^x

• y = 3x + 1

• y = 1(3)^x

Which equation represents the table?

• y = 25(4^x)

• y = 4(25^x)

• y = 4x

• y = 4^x

Using exponential regression, what is the equation of the table?

• y = 50(3)^x

• y = 3(50)^x

• y = 50*3x

• y = 3^x

A town has a population of 8,000 people, and it grows at a rate of 3% per year. Which equation represents the population after t years?

A village has a population of 2,500 and it increases by 5% per year. Which equation represents the population after t years?

A city's population is 15,000 and it increases by 6% annually. Which equation represents the population after t years?

A town's population is 10,000 and it decreases by 1% per year. Which equation represents the population after t years?

Does the following equation represent growth or decay?

• Growth

• Decay

A population of 5,000 grows by 4% each year. What is the population after 5 years?

• 5849 people

• 5000 people

• 6083 people

• 4077 people